Welding tool of rotary transformer

Abstract

The utility model discloses a welding tool of a rotary transformer, which comprises a tool bottom plate and is characterized in that an annular groove is arranged on the tool bottom plate, the annular groove is used for positioning and placing a winding coil body of a workpiece to be welded, the lower end of the tool bottom plate is connected with a base, the base is positioned below a side plate of the tool bottom plate, and the annular groove is arranged on the tool bottom plate. The base is provided with a welding conduction piece with a plurality of clamping jaws, when a winding coil body of the workpiece to be welded is positioned and placed in the annular groove, a PIN needle seat of the workpiece to be welded is positioned above the base, and PINs of the PIN needle seat of the workpiece to be welded correspond to the clamping jaws one to one and are clamped. When the welding clamp holder is used, a PIN seat of a workpiece is clamped in the clamping jaw, and the PIN is conducted with the clamping jaw and the base, so that the welding clamp holder only needs to be clamped on a tool, the electrification stability of a P-IN needle can be ensured, and the welding efficiency and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary transformer manufacturing, in particular to a welding tool for a rotary transformer. Background Art

[0002] A resolver is an electromagnetic sensor, also known as a synchronous resolver. It is a small AC motor used to measure angles. It is used to measure the angular displacement and angular velocity of a rotating object and consists of a stator and a rotor.

[0003] When producing rotating transformers, the coil on the stator or rotor needs to be welded to the PIN pin to complete stable signal transmission. However, the diameter of the PIN pin is small. During welding, the welding clamp cannot stably clamp the PIN pin, which affects the conductive state of the PIN pin and reduces the welding quality and efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a welding fixture for a rotary transformer. By mounting the rotary transformer workpiece on the welding fixture and clamping the PIN needle seat of the workpiece in the clamping jaws of the fixture, the PIN pin is connected to the clamping jaws and the base. In this way, it is only necessary to clamp the welding clamp on the fixture to ensure the stable power supply of the PIN pin, thereby further improving the welding efficiency and quality.

[0005] The utility model provides the following technical solution: a welding tool for a rotary transformer includes a tool base plate, an annular groove is formed on the tool base plate, the annular groove is used to position and place the coil body of the workpiece to be welded, the lower end of the tool base plate is connected to a base, the base is located below the side plate of the tool base plate, and a welding conductive piece with multiple clamping claws is provided on the base. When the coil body of the workpiece to be welded is positioned in the annular groove, the PIN needle seat of the workpiece to be welded is located above the base, and the PIN needles of the PIN needle seat of the workpiece to be welded correspond to the clamping claws one by one and are clamped.

[0006] In order to clamp the two sides of the PIN needle, the clamping claw includes a strip plate at the bottom, and clamping plates are formed on both sides of the strip plate. A plurality of strip holes are evenly opened on the clamping plates, and the ends of the clamping plates are bent and formed into a claw shape.

[0007] In order to guide the upper and lower positions of the workpiece and make the workpiece install smoothly, a guide block is connected to the side of the tooling base plate, and a guide groove is opened on the side of the guide block. The guide groove is used to guide the installation of the workpiece.

[0008] In order to position the side of the workpiece, the cross-section of the guide block is L-shaped. The guide block includes two sides, one side is located at the lower end of the workpiece and is flush with the tooling base, and the other side is located on the side end surface of the workpiece to limit the workpiece.

[0009] In order to position the workpiece for installation, openings are provided at both ends of the annular groove, and the openings are used to guide the installation of the PIN needle seat.

[0010] In order to fix the clamp on the base and make the height of the clamp close to the height of the PIN pin, the PIN pin is inserted into the clamp. The cross-section of the base is "L"-shaped, including a top side and a bottom side. The top side is vertically distributed and connected to the tooling base plate, and the bottom side is horizontally distributed.

[0011] In order to prevent the bolts from protruding, grooves are provided on the corners of the bottom of the base, and the grooves are used to embed the bolt caps.

[0012] A clamping jaw mounting seat is also fixed on the base, and the welding conductive piece is fixed on the clamping jaw mounting seat. The clamping jaw mounting seat is in a U-shape, one side of the clamping jaw mounting seat is fixed on the bottom side, and the other side of the clamping jaw mounting seat extends to the outside of the base.

[0013] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: by setting up a tooling and using a clamping claw to clamp the PIN needle seat, the PIN needle can be connected to the base and the clamping claw. In this way, when welding, the welding clamp is clamped on the tooling to energize the PIN needle, which facilitates the welding of the PIN needle and the coil. There is no need to change the clamping position of the welding clamp, thereby improving the production efficiency of the rotating transformer welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a three-dimensional diagram of the tooling of the present utility model;

[0016] Figure 2 This is a schematic diagram of the installation of the tooling and workpiece of the utility model;

[0017] Figure 3 It is an exploded view of the overall structure of the utility model;

[0018] Figure 4 This utility model Figure 3 A partial enlarged schematic diagram of area A in the middle;

[0019] Figure 5 It is a structural schematic diagram of the workpiece of the utility model;

[0020] Figure 6 It is a side view of the overall structure of the utility model;

[0021] In the figure: 1. tooling base plate; 11. annular groove; 12. circular boss; 2. guide block; 21. guide groove; 3. base; 31. groove; 4. clamping jaw mounting seat; 5. welding conductor; 6. clamping jaw; 61. strip; 62. clamping plate; 63. claw; 7. workpiece; 71. PIN needle; 72. PIN needle seat; 73. clamping groove; 74. clamping block; 75. slider; 76. winding coil body. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example

[0024] See also Figure 1 、 2 and 5. The utility model provides a technical solution: a welding tool for a rotary transformer, comprising a tool base 1, the tool base 1 is used to install a workpiece 7, the workpiece 7 includes a winding coil body 76 and a PIN needle seat 72, an annular groove 11 is provided on the tool base 1, a circular boss 12 is formed in the annular groove 11, the annular groove 11 is used to position and install the winding coil body 76, the winding coil body 76 is sleeved on the outside of the circular boss 12, the lower end of the tool base 1 is connected to a corner-shaped base 3, a welding conductor 5 with multiple clamping jaws is fixed on the base 3, the clamping jaws 6 are symmetrically arranged on both ends of the welding conductor 5, and there is a gap between the symmetrical clamping jaws 6 for clamping the PIN needle seat 72, when the workpiece 7 is installed on the tool base 1, the PIN needle seat 72 will be located on the side of the tool base 1, and the PIN needle seat 72 will be inserted between the clamping jaws 6 to achieve fixation of the workpiece 7, and the PI The upper end of the N needle seat 72 is connected to the PIN needle 71, which further fixes the position of the PIN needle 71, making it convenient to weld the coil on the coil body 76 with the PIN needle 71. The clamping jaws 6 and the base 3 are both made of conductive materials. When the welding clamp is clamped on the tooling, when the PIN needle seat 72 is inserted into the clamping jaw 6, the PIN needle 71 can be energized, which facilitates the welding of the coil and the PIN needle 71 and improves the welding efficiency. At the same time, by replacing the workpiece 7, the PIN needles 71 of different workpieces 7 can be energized, and there is no need to change the clamping position of the welding clamp.

[0025] like Figure 4As shown, the clamping jaw 6 includes a strip plate 61 at the bottom, and clamping plates 62 are formed on both sides of the strip plate 61. A plurality of strip holes are evenly opened on the clamping plates 62, and the ends of the clamping plates 62 are bent to form claw-shaped claws 63. The PIN needle seat 72 is clamped by the claws 63 arranged opposite to each other. Clamping grooves 73 are opened on both surfaces of the PIN needle seat 72, and the clamping grooves 73 are symmetrically distributed. The claws 63 are embedded in the clamping grooves 73 to clamp the two side surfaces of the PIN needle seat 72 respectively.

[0026] like Figure 3 As shown, a guide block 2 is connected to the side of the tooling base 1, and a guide groove 21 is provided on the side of the guide block 2. The guide groove 21 is used to guide the installation of the workpiece 7. A slider 75 is formed on the side of the PIN needle seat 72. The slider 75 slides in the guide groove 21 to guide the PIN needle seat 72. At the same time, a card block 74 is also formed on the side of the PIN needle seat 72. The card block 74 is located above the slider 75 to further guide the workpiece 7, i.e., the rotary transformer, so that the installation and positioning of the workpiece 7 is more accurate.

[0027] The cross section of the guide block 2 is L-shaped. The guide block 2 includes two sides. One side is located at the lower end of the workpiece 7 and is flush with the tooling base 1. The other side is located on the side of the workpiece 7 to limit the workpiece 7 and position the workpiece 7.

[0028] Openings are provided at both ends of the annular groove 11 for guiding the installation of the PIN needle seat 72. The PIN needle seat 72 is disposed on one side of the opening and above the base 3, so that the workpiece 7 can be accurately installed and positioned.

[0029] like Figure 6 As shown, the cross-section of the base 3 is "L"-shaped, including a top side and a bottom side. The top side is vertically distributed and connected to the tooling base 1, and the bottom side is horizontally distributed. The clamp mounting seat 4 is fixed on the bottom side, and the clamp 6 is fixed between the clamp mounting seat 4 and the base 3.

[0030] like Figure 6 As shown, a groove 31 is provided on a corner of the bottom of the base 3. The groove 31 is used to embed the bolt cap so that the lower end of the bolt is located inside the base 3 to prevent the bolt from protruding.

[0031] A clamping jaw mounting seat 4 is also fixed on the base 3, and a welding conductive piece 5 is fixed on the clamping jaw mounting seat 4. The clamping jaw mounting seat 4 is in a U-shape, with one side of the clamping jaw mounting seat 4 fixed to the bottom side, and the other side of the clamping jaw mounting seat 4 extends to the outside of the base 3. Through the clamping jaw mounting seat 4, the welding clamp on the welding machine is directly clamped on the clamping jaw mounting seat 4, so that the clamping jaw 6 is conductive with the welding machine, and further the PIN pin 71 clamped by the clamping jaw 6 is also in a conductive state, thereby facilitating welding the PIN pin 71 and the wire together.

[0032] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. The welding fixture of the rotary transformer includes a fixture base plate, which is characterized by: An annular groove is provided on the tooling base plate, and the annular groove is used to position and place the coil body of the workpiece to be welded. The lower end of the tooling base plate is connected to a base, and the base is located below the side plate of the tooling base plate. A welding conductive piece with multiple clamping claws is provided on the base. When the coil body of the workpiece to be welded is positioned in the annular groove, the PIN needle seat of the workpiece to be welded is located above the base, and the PIN pins of the PIN needle seat of the workpiece to be welded correspond to the clamping claws one by one and are clamped.

2. The welding tool for the rotary transformer according to claim 1, characterized in that: The clamping claw comprises a strip plate at the bottom, clamping plates are formed on both sides of the strip plate, a plurality of strip holes are evenly opened on the clamping plates, and the ends of the clamping plates are bent and formed into a claw shape.

3. The welding tool for a rotary transformer according to claim 1, characterized in that: A guide block is connected to the side of the tooling base plate, and a guide groove is opened on the side of the guide block. The guide groove is used for guiding the installation of the workpiece.

4. The welding tool for the rotary transformer according to claim 3, characterized in that: The cross section of the guide block is L-shaped and includes two sides. One side is located at the lower end of the workpiece and is flush with the tooling base plate, and the other side is located at the side of the workpiece to limit the workpiece.

5. The welding tool for a rotary transformer according to claim 1, characterized in that: Openings are formed at both ends of the annular groove, and the openings are used to guide the installation of the PIN needle seat.

6. The welding tool for a rotary transformer according to claim 1, characterized in that: The cross section of the base is "L"-shaped, including a top side and a bottom side. The top side is vertically distributed and connected to the tooling bottom plate, and the bottom side is horizontally distributed.

7. The welding tool for a rotary transformer according to claim 6, characterized in that: A groove is provided on a corner of the bottom of the base, and the groove is used to embed a bolt cap.

8. The welding tool for a rotary transformer according to claim 1, characterized in that: A clamping jaw mounting seat is also fixed on the base, and the welding conductive piece is fixed on the clamping jaw mounting seat. The clamping jaw mounting seat is in a U-shape, one side of the clamping jaw mounting seat is fixed on the bottom side, and the other side of the clamping jaw mounting seat extends to the outside of the base.

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